package edu.dlut.springcloud.controller;

import edu.dlut.springcloud.entity.CommonResult;
import edu.dlut.springcloud.entity.Payment;
import edu.dlut.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @AUTHOR: raymond
 * @DATETIME: 2020/4/22  16:33
 * DESCRIPTION:
 **/
@RestController
@Slf4j
@RequestMapping("/payment")
public class PaymentController {

    @Resource
    private PaymentService paymentService;

    @Value("${server.port}")
    private String serverPort;

    @Resource
    private DiscoveryClient discoveryClient;

    @GetMapping("/discovery")
    public Object discoverClient() {
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            log.info("*****element:" + element);
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PROVIDER-SERVICE"); //得到一个具体微服务的所有实例
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId() + "\t" + instance.getHost() + "\t" + instance.getPort() + "\t" + instance.getUri());
        }
        return this.discoveryClient;
    }

    @PostMapping(value = "/create")
    public CommonResult create(@RequestBody Payment payment) {
        int result = paymentService.create(payment);
        log.info("*****插入结果：" + result);
        if (result > 0) {
            return new CommonResult(200, "插入数据成功, serverPort" + serverPort, result);
        } else {
            return new CommonResult(444, "插入数据失败", null);
        }
    }

    @GetMapping(value = "/get/{id}")
    public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id) {
        Payment payment = paymentService.getPaymentById(id);
        log.info("*****查询结果：" + payment);
        if (payment != null) {
            return new CommonResult(200, "查询成功, serverPort" + serverPort, payment);
        } else {
            return new CommonResult(444, "没有对应记录,查询ID：" + id, null);
        }
    }

    @GetMapping("/lb")
    public String getPaymentLB() {
        return serverPort;
    }

    @GetMapping(value = "/feign/timeout")
    public String paymentFeignTimeout() {
        //暂停几秒钟线程
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return serverPort;
    }

    @GetMapping("/zipkin")
    public String paymentZipkin() {
        return "Hello Zipkin";
    }

}
